First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Malware Protection, Threat Detection, Network Analysis, AI Security, Cybersecurity, Model Evaluation, Network Security, Machine Learning Methods, Classification Algorithms, Microsoft Windows
★ 4.7 (23) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Cloud Infrastructure, Amazon Web Services, IT Automation, Amazon Elastic Compute Cloud, Code Reusability, Infrastructure Architecture, Cloud Management, Cloud Platforms, Data Security, Dependency Analysis
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Trauma Care, Mental Health, Mental Health Therapies, Psychology, Psychotherapy, Rehabilitation, Mental and Behavioral Health, Cultural Sensitivity, Patient Evaluation
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Transportation, Supply Chain, and Logistics, Supply Chain, Supply Chain Management, Supply Chain Systems, FinTech, Logistics, Business Transformation, Business Technologies, Emerging Technologies, Logistics Management, Enterprise Architecture, Internet Of Things, Digital Assets, Business Process Automation, Loss Prevention, Digital Transformation, Interoperability, Supplier Management, Asset Management
★ 4.7 (30) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Java Programming, Java, Technical Documentation, Computer Programming, Programming Principles, Code Reusability, Computer Science
★ 4.2 (22) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Neurology, Telehealth, Patient Evaluation, Teamwork, Patient Communication, Collaboration, Patient Education And Counseling, Clinical Assessment, Health Technology, Vital Signs, Patient Preparation, Health Assessment, Patient-centered Care, Patient Treatment, Primary Care, Health Care, Health Systems, Telecommunications, Care Management, Communication
★ 4.9 (34) · Beginner · Specialization · 1 - 4 Weeks

Stanford University
Skills you'll gain: Health Disparities, Teaching, Instructional Strategies, Health Equity, Health Education, Education and Training, Social Determinants Of Health, Health Care, Behavioral Health, Healthcare Industry Knowledge, Patient Communication, Cultural Responsiveness, Medical Terminology, Diversity Equity and Inclusion Initiatives
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Design and Development, Web Development, Color Theory
★ 4.5 (44) · Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Environmental Issue, Environment, Climate Change Programs, Cultural Sensitivity, Sustainable Development, Liberal Arts, Culture, Cultural Diversity, Advocacy
★ 4.8 (30) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Telehealth, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Evaluation, Basic Patient Care, End User Training and Support, Patient Education and Support, Patient Communication, Patient Safety, Problem Management
★ 4.9 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Mental Health Diseases and Disorders, Psychiatry, Healthcare Ethics, Mental and Behavioral Health, Mental Health, Ethical Standards And Conduct, Health Information Management, Mental Health Counseling, Psychotherapy, Mental Health Therapies, Behavioral Health, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Cultural Diversity, Psychology
★ 4.7 (25) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Command-Line Interface, Network Troubleshooting, Linux Commands, Linux, Linux Servers, Technical Support and Services, Linux Administration, Technical Support, Network Infrastructure, Amazon Web Services, File Management, Remote Access Systems, Network Protocols, Network Security, Operating Systems, Package and Software Management, System Configuration, DevOps, Communication
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks